In-depth architectural comparison of the Obsidian MCP and Scrivener MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Obsidian MCP
Knowledge & Memory · Local stdio
Quality: 47/100 (Fair) | Auth: OAuth 2.0
Scrivener MCP
Knowledge & Memory · Local stdio
Quality: 61/100 (Good) | Auth: No auth required
Verdict Summary: Choose Obsidian MCP if you need specialized Knowledge & Memory tools running via a local process. Choose Scrivener MCP if your workspace requires Knowledge & Memory integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Obsidian MCP when:
You need dedicated capabilities in the Knowledge & Memory domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: OAuth 2.0 (BYOK (Pay Provider Direct)).
You have access to required keys: DATABASE_URL, OAUTH_CLIENT_ID, OAUTH_CLIENT_SECRET, OAUTH_REDIRECT_URI, EMBEDDING_PROVIDER, OPENAI_API_KEY.
Primary tools included: Semantic and full-text search via PostgreSQL with pgvector, Atomic CRUD operations on markdown notes, Wikilink graph traversal for contextual navigation.
Self-hosted MCP server for Obsidian with semantic + full-text search over PostgreSQL/pgvector, wikilink graph traversal, atomic note CRUD, OAuth 2.0, and a self-describing vault guide.
Connect Scrivener 3 writing projects to Claude and other AI assistants. 47 tools for document management, writing analysis, semantic search, character/plot memory, and content enhancement. Progressive skill loading, relationship engine with HMS triplets, and JS fallback for offline semantic search. npm i -g scrivener-mcp
Category & Scope
Tools & Capabilities Breakdown
Obsidian MCP Tools (6)
Semantic and full-text search via PostgreSQL with pgvector
Atomic CRUD operations on markdown notes
Wikilink graph traversal for contextual navigation
Self-describing vault guide for automatic schema and convention discovery
OAuth 2.0 authentication support
Pluggable embeddings including Ollama bge-m3 and OpenAI text-embedding-3 variants
Scrivener MCP Tools (6)
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Obsidian MCP is categorized under Knowledge & Memory and uses a local stdio subprocess. In contrast, Scrivener MCP belongs to Knowledge & Memory using local stdio subprocess. Select Obsidian MCP when you need capabilities focused on knowledge & memory and Scrivener MCP when you require tools for knowledge & memory.